Bending-roll.



(No Model.)

Patented Apr. 24, I900.

F. G. TA-LLERDAY.

' BENDING ROLL.

(Application filed Oct. 11, 1899.)

NITED STATES PATENT OFFICE.

FRANKLIN o. TALLERDAY, or wATERLoo,1owA.

BENDIING-ROLL.

SPECIFICATION forming part of Letters Patent No. 648,089, dated April24, 1900.

Application filed October 11,1899. Serial No. 733,335. (No model.)

To aZZ whom, it may concern;

Be it known that I, FRANKLIN G. TALLER- DAY, a citizen of theUnitedSt-ates of America, and a resident of WVaterloo, Black Hawkcounty, Iowa, haveinvented certain new and useful Improvements inBending-Rolls, of which the following is a specification. Y

My invention relates to improvements in rolls for fianging lock-seamsand forming pipe; and the object of my improvement is to provide meansfor simultaneously rolling sheets of metal and forming flanges thereonfor lock-seaming. I attain this object by the mechanism illustrated inthe accompanying drawings, in which-- Figure l is a side elevation ofthe entire machine. Fig. 2 is a side elevation of that part of themachine which contains the bending-roll, and Fig. 3 is a perspectiveview of a portion of the bending-roll.

Similar letters refer to similar parts throughout the several views.

The bending-roll 7c is represented as superimposed upon thebearing-rollsmand n, having each end passed through the retaining devices 1) p.

In the drawings in Fig. 1 but one side of the machine is shown, as theopposite side is identical in construction, and for the purposes ofdescription when letters of designation are repeated it is to refer,respectively, to these similar parts.

The retaining devices 19 19 have a sufficient interior diameter topermit of the use of different sizes of bending-rolls.

0 0 represent a lever passed through the hole 8 in the end of thebending-roll k for the purpose of being used in rotating it byhandpower.

h represents a pressure-roll contained within a frame F and providedwith bearings and braces at f.

The frame F is supported upon the vertical postsB B and strengthened bymeans of horizontal beams atf and a.

The lower ends of the supports B B are attaohed to the horizontal shaft(1 by means of clamps or other suitable fastening devices.

The shaft 61 works within hearings in the post-hanger G and may bevertically adjusted therein by means of the bolt 6.

The post-hangers may be constructed to move within vertical slots on theframe, if so desired.

The lugs a a on the supporting-posts B B are adapted to engage with thelugs a a on the frame of the machine when the pressure roll 71. isthrown into position for use and operate to relieve the strain thusbrought upon the pressure-roll.

When not in use or when it is found necessary to shift the bending-roll7c, the frame F is thrown back until arrested by the clutch 0c.

The lugs a a are adapted to be vertically adjusted upon the posts B B bymeans of setsorews or other fastening devices inserted into openings insaid posts, so as to keep said lugs always in engagement with the lugs aa when the shaft cl is raised or lowered within the posthangers.

As shown by Fig. 1, the frame A forms a support for the table a.

The bending-roll 7c is provided with a nar row straight groove outdeeply into its surface and running longitudinally parallel with itsaxis, as shown in Fig. 3.

If desired, the retaining devices at p p, the lugs to a and a a, and thetable .2 may be omitted without changing the principle involved in myinvention.

The swing-frame B F may be pivoted, swung, or raised in any othersuitable way other than described.

In operation the bending-roll his adjusted with its longitudinal grooveG toward the front of the machine and the pressure-roll h is broughtinto position over it. When one edge of a sheet of metal has beeninserted into the groove G, the bending-roll I0 is rotated until thesheet is brought into contact with the bearing-roll n, which operationforms a flange upon the sheet. To convert thesheet into a pipe or intocylindrical shape ready for lock-seaming, the sheet is reversed and theedge opposite to that already flanged is inserted into the groove G andthe bendingroll 7.; is rotated through one revolution, which operationnot only rolls the sheet into cylindrical form, but also flanges theedge, and when the cylinder is drawn off the roll the two flanges may beeasily lock-seamed.

What I claim as my invention, and desire to secure by Letters Patent,is-

1. In a machine for fianging sheet metal for lock-seams and formingpipe, the longitudinallygrooved roll 7c, in combination with thebearing-rolls m and n, the pressure-roll h and swinging beam B F, allsubstantially as shown and described.

2. In a machine for fianging sheet metal for lock-seams and formingpipe, the longitudinally-grooved r011 7a in combination with thebearing-rolls m and n, retaining devices IO 17 p, pressure 'oll 71swinging frame B F, ad-

justable lugs a a, adjustable post-hangers C C, shaft (1, and table A 2provided with lugs a a, all substantially as shown and described.

Signed by me at Waterloo, Iowa, this 22d day of September, 1899.

FRANKLIN G. TALLERDAY.

\Vitnesses T. M. EVANS, CHAS. W. ILLINGVVORTH.

